... straight laser line. At present our Powell Lens are available in fan angles of 5°, 10°, 15°, 20°, 30°, 45 ... uniform, straight line. Using this lens design will result in an impressive, even distribution of energy along the length of ... variety of custom applications, including: use in alignment, machine vision systems, construction and process control.Standard ProductsPart No.Fan AngleMaterial (nd)Input ...